Home Postcode finder NSW Woolomin Woolomin postcode NSW Woolomin is a locality in New South Wales covered by postcode 2340. Postcode 2340 State or territory New South Wales (NSW) Region NSW North Coast Add a free Woolomin business listing More business listings in Woolomin Businesses in WoolominWoolomin Public SchoolTamworth Rd · 02 67642274 Common questionsWhat is the postcode for Woolomin?Woolomin, NSW has the postcode 2340.What state is Woolomin in?Woolomin is in New South Wales (NSW).Does postcode 2340 cover more than one suburb?Yes. Postcode 2340 covers 39 localities, so the postcode alone does not identify Woolomin. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.